/*
    Copyright 2006 Andrew Wilkinson <andrew@indiegigs.co.uk>

    This file is part of libfixed.

    libfixed is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    libfixed is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with libfixed; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include <stdio.h>

#include "fixed.h"

void subtest(float a1, float a2) {
    Fixed32 f1;
    Fixed32 f2;
    Fixed32 f3;

    f1 = Fixed_fromFloat32(a1);
    f2 = Fixed_fromFloat32(a2);

    f3 = Fixed_sub32(f1, f2);

    printf("%.2f\n", Fixed_toFloat32(f3));
}

int main(int argc, char* argv[]) {
    subtest(0, 0);
    subtest(0, 1);
    subtest(1, 0);
    subtest(1, 1);
    subtest(0, 0.5);
    subtest(0.5, 0);
    subtest(0.5, 0.5);
    subtest(0.75, 0.75);
    subtest(0, -1);
    subtest(-1, 0);
    subtest(-1, -1);
    subtest(-1, 1);
    subtest(1, -1);
    return 0;
}
